Liquid purification or separation – With alarm – indicator – register – recorder – signal or... – Responsive to fluid flow
Patent
1976-02-04
1978-05-30
Spear, Jr., Frank A.
Liquid purification or separation
With alarm, indicator, register, recorder, signal or...
Responsive to fluid flow
210 24, B01D 1508
Patent
active
040922430
ABSTRACT:
Polycarbonates are provided based on aromatic bis-hydroxy compounds which contain s-triazine compounds as linking members between 2 mols of the aromatic bis-hydroxy compounds bonded in each case via an oxygen atom thereof, on the one hand, and via carbon atoms of the s-triazine ring, on the other, the s-triazine rings carrying, on at least one further carbon atom, organic radicals with functional groups, these radicals being bonded via oxygen, nitrogen or sulphur. The novel polycarbonates may be used as selective solvents for hydrocarbons mixed with water or for making resins or coatings.
REFERENCES:
patent: 3957728 (1976-05-01), Neuray et al.
Neuray Dieter
Rudolph Hans
Vernaleken Hugo
Bayer Aktiengesellschaft
Colen Frederick H.
Harsh Gene
Pope Lawrence S.
Spear, Jr. Frank A.
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